简便计算:0.36*8.1+3.6*0.810.36*8.1+3.6*0.81
问题描述:
简便计算:0.36*8.1+3.6*0.81
0.36*8.1+3.6*0.81
答
0.36*8.1+3.6*0.81
=0.36*8.1+0.36*8.1
=2*0.36*(9-0.9)
=5.832
答
0.36*8.1+3.6*0.81
=0.36*8.1+0.36*8.1
=2*0.36*8.1=5.832